class Receipt:
    def __init__(self):
        self.BlockHash=None
        self.BlockNumber=None
        self.TransactionHash=None
        self.TransactionIndex=None
        self.From=None
        self.to=None
        self.CumulativeGasUsed=None
        self.GasUsed=None
        self.ContractAddress=None
        self.Logs=None